I am not sure if the semantics have drifted over the decades to what you say, but this seems not quite right according to wikipedia: https://en.wikipedia.org/w

I am not sure if the semantics have drifted over the decades to what you say, but this seems not quite right according to wikipedia: https://en.wikipedia.org/wiki/Second-system_effect https://en.wikipedia.org/wiki/Second-system_effect EDIT: but I do agree that starting greenfield from an old code base is often a path towards performance.